Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rc7 win in 3 half-moves
2 Ka6 draw
3 Kaa7 draw
4 Kab8 draw
5 Kb6 draw
6 Kba7 draw
7 Kbb8 draw
8 Kc8 draw
9 Rg1 draw
10 Rg8 draw
11 Rh7 draw
12 Kc6 loss in 2 half-moves
13 Kc7 loss in 2 half-moves
14 Rd7 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Rf7 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rg5 loss in 2 half-moves
21 Rg6 loss in 2 half-moves